AI agents call get_note_content to retrieve information from Evernote MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves note content (ENML format) without any side effects. It performs a read-only query operation on existing data, matching the Read category definition. The low severity reflects minimal blast radius—retrieving note content poses no risk of data loss, unauthorized modification, or external system impact even if misused by an AI agent.
From the tool's definition Tool name 'get_note_content' and description 'Get just the ENML content of a note' indicate a retrieval operation with no modification or deletion.
Documented attack patterns abuse exactly the kind of access get_note_content gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Evernote MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_note_content:
{
"version": "1",
"default": "deny",
"tools": {
"get_note_content": {}
}
}get_note_content is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get just the ENML content of a note. It is categorised as a Read tool in the Evernote MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Evernote MCP Server MCP server in PolicyLayer and add a rule for get_note_content: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Evernote MCP Server. Nothing to install.
get_note_content is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_note_content rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for get_note_content. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
get_note_content is provided by the Evernote MCP Server MCP server (kensou24/evernote-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Evernote MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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52 Evernote MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.